Overexpression of GhFIM(2) propels cotton fiber development by enhancing actin bundle formation(FA)
文献类型： 外文期刊
作者： Zhang, Min 1 ; Han, Li-Bo 1 ; Wang, Wen-Yan 1 ; Wu, Shen-Jie 4 ; Jiao, Gai-Li 4 ; Su, Lei 1 ; Xia, Gui-Xian 1 ; Wang, Hai 1 ;
作者机构： 1.Chinese Acad Sci, Inst Microbiol, Beijing 100101, Peoples R China
2.State Key Lab Plant Genom, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Shanxi Acad Agr Sci, Inst Cotton Res, Yuncheng 044000, Peoples R China
期刊名称：JOURNAL OF INTEGRATIVE PLANT BIOLOGY （ 影响因子：7.061； 五年影响因子：6.002 ）
ISSN： 1672-9072
年卷期： 2017 年 59 卷 8 期
页码：
收录情况： SCI
摘要： Cell elongation and secondary wall deposition are two consecutive stages during cotton fiber development. The mechanisms controlling the progression of these two developmental phases remain largely unknown. Here, we report the functional characterization of the actin-bundling protein GhFIM2 in cotton fiber. Overexpression of GhFIM2 increased the abundance of actin bundles, which was accompanied with accelerated fiber growth at the fast-elongating stage. Meanwhile, overexpression of GhFIM2 could propel the onset of secondary cell wall biogenesis. These results indicate that the dynamic rearrangement of actin higher structures involving GhFIM2 plays an important role in the development of cotton fiber cells.
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